This is one of the prime links pictured in Appendix C of Dale Rolfsen's book
Knots and Links, Publish or Perish, Inc. Houston, Texas 1976, reprinted in 1990 ("a classic"). In the notation of that appendix it is

which means that it is the fourth link on that list, with 3 components and 9 crossings. In Conway's (1970) notation this link is

The picture was created with KnotPlot, a fairly elaborate program to visualize
knots and links. The software is already installed on some of the linux machines in the department. Binaries can be downloaded from the following site.
Click here to read/download a PDF version of the KnotPlot manual.